M 4.5 earthquake: North Pacific Ocean (Japan) — March 16, 1980

M 4.5 earthquake: North Pacific Ocean (Japan) — March 16, 1980. Epicenter 631 km S of Hamamatsu, depth 426 km, 18:21 Local (1980-03-16 09:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (631 km S, Japan) — 29.176, 139.165

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